Region
Pennsylvania
Schuylkill County
19
Berks County
13
New Jersey
13
Lancaster County
11
York County
11
Allegheny County
9
Bucks County
9
Lebanon County
9
Northumberland County
8
Washington County
8
Dauphin County
7
Adams County
6
Allegheny County (Pa.)
6
Lehigh County
6
Northampton County
6
Cumberland County
5
Greene County
5
Montgomery County
5
Monroe County
4
Columbia County
3
Warren County
3
Carbon County
2
Hunterdon County
2
Luzerne County
2
Pittsburgh Region
2
Armstrong County (Pa.)
1
Beaver County (Pa.)
1
Bedford County
1
Butler County (Pa.)
1
Delaware
1
Maryland
1
Mercer County
1
Midway Quadrangle (Pa.)
1
New York (State)
1
Pike County
1
Pittsburgh Region (Pa.)
1
Pottsville Quadrangle
1
Pottsville Quadrangle (Pa.)
1
Schuylkill County (Pa.)
1
Trenton Region
1
Washington County (Pa.)
1
Washington West Quadrangle
1
Washington West quadrangle (Pa.)
1
Waynesburg Quadrangle
1
Waynesburg Quadrangle (Pa.)
1
Waynesburg Region
1
Waynesburg Region (Pa.)
1
Westmoreland County
1